cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A073416 Harmless numbers: numbers without a, h, m or r.

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%I A073416 #7 Nov 28 2024 19:08:57
%S A073416 1,2,5,6,7,9,10,11,12,15,16,17,19,20,21,22,25,26,27,29,50,51,52,55,56,
%T A073416 57,59,60,61,62,65,66,67,69,70,71,72,75,76,77,79,90,91,92,95,96,97,99,
%U A073416 1000000000,1000000001,1000000002
%N A073416 Harmless numbers: numbers without a, h, m or r.
%C A073416 These number differ from A039135 (numbers with same number of 3's and 4's) only in the 17th term and from A072957 (urban numbers without r or u) in the 64th term.
%D A073416 M. J. Halm, Sequences (Re)discovered, Mpossibilities 81 (Aug. 2002).
%e A073416 a(3) = 5 because 5 is the third integer without an a, h, m or r.
%Y A073416 Cf. A039135, A072957.
%K A073416 easy,nonn,word
%O A073416 1,2
%A A073416 _Michael Joseph Halm_, Aug 23 2002
%E A073416 Numbers containing 8 (eight) removed by _Sean A. Irvine_, Nov 28 2024